QString/QByteArray: add erase() for iterators

Otherwise they're not usable with iterator-based algorithms
that e.g. remove, partition and the like.

[ChangeLog][QtCore][QString] Added erase().

[ChangeLog][QtCore][QByteArray] Added erase().

Change-Id: I78829b1a5365dd53b6b6423ceedbc52edeafbc63
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Andrei Golubev <andrei.golubev@qt.io>

1 files changed, 15 insertions, 0 deletions

diff --git a/src/corelib/text/qbytearray.cpp b/src/corelib/text/qbytearray.cpp
index 4679c5a05d..3845946ce9 100644
--- a/src/corelib/text/qbytearray.cpp
+++ b/src/corelib/text/qbytearray.cpp
@@ -1115,6 +1115,21 @@ QByteArray qUncompress(const uchar* data, qsizetype nbytes)
     squeeze().
 */
 
+/*!
+    \since 6.1
+
+    Removes from the byte array the characters in the half-open range
+    [ \a first , \a last ). Returns an iterator to the character
+    referred to by \a last before the erase.
+*/
+QByteArray::iterator QByteArray::erase(QByteArray::const_iterator first, QByteArray::const_iterator last)
+{
+    const auto start = std::distance(cbegin(), first);
+    const auto len = std::distance(first, last);
+    remove(start, len);
+    return begin() + start;
+}
+
 /*! \fn QByteArray::QByteArray(const QByteArray &other)
 
     Constructs a copy of \a other.